The Red Devils host Liverpool in one of the most important fixtures of the Premier League calendar this Saturday (5.30pm).
And former defender Irwin believes De Gea is mentally strong enough to come back into the side, despite being out in the cold in recent weeks.
He said: "He's a fantastic keeper and Player of the Year for the last two years.
GETTY
David De Gea has signed a new four-year deal
"Mentally, he seems a fairly strong guy to me. A lot of people were questioning him in the first year-and-a-half after he arrived here and he came through that.
"It's down to the manager and we'll see how that pans out. We do know he is a fantastic player and, hopefully, we will see him playing."
We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. Read our Privacy Policy